a National examples are given so that a 'drink' is understood to contain roughly the same amount of pure alcohol as a glass of wine.b In 1995-2003 the question referred to 'five or more drinks in a row' and neither cider nor alcopops were included among the examples. However, a 2006 questionnaire test in eight countries found no significant differences between the old and new versions.c Collected data from 2008 instead of 2007.